Clostridium tetani
Clostridium perfringens
Clostridium botulinum
Botulinal toxin
Clothes peg
Syzygium aromaticum
Trifolium
Four-leafed clover
Red clover
White clover
Rabbitfoot clover
Amphiprion ocellaris
Clown anemonefish
Aggregation
Agglutination